Home / 9,125.16-13,682.86-2,798.91

Finding the Fourth Proportional to 9,125.16, 13,682.86 and 2,798.91

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Solution

The fourth proportional to 9,125.16, 13,682.86 and 2,798.91 is: 4,196.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.16 : 13,682.86 = 2,798.91 : x
  2. Step 2: Convert to fraction form
    9,125.16/13,682.86 = 2,798.91/x
  3. Step 3: Cross multiply
    9,125.16x = 13,682.86 × 2,798.91
  4. Step 4: Simplify right side
    9,125.16x = 38,297,079.69
  5. Step 5: Solve for x
    x = 38,297,079.69/9,125.16
  6. Step 6: Final answer
    x = 4,196.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.